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Manage: allow manual control of external raid0 readonly flag 

mdadm --readwrite <subarray> will clear the external readonly flag ('-'
to '/'), but only for redudant arrays.  Allow raid0 arrays as well so
the user has a simple helper to control this flag.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Dan Williams 2010-11-23 15:08:19 +11:00 committed by NeilBrown
parent bc77ed535d
commit 9ea5a25217
1 changed files with 2 additions and 1 deletions
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3
Manage.c
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@ -56,7 +56,6 @@ int Manage_ro(char *devname, int fd, int readonly)
mdi = sysfs_read(fd, -1, GET_LEVEL|GET_VERSION);
if (mdi &&
mdi->array.major_version == -1 &&
mdi->array.level > 0 &&
is_subarray(mdi->text_version)) {
char vers[64];
strcpy(vers, "external:");
@ -88,6 +87,8 @@ int Manage_ro(char *devname, int fd, int readonly)
if (*cp)
*cp = 0;
ping_monitor(vers+10);
if (mdi->array.level <= 0)
sysfs_set_str(mdi, NULL, "array_state", "active");
}
return 0;
}